Someone made a $100 million trade with JPMorgan on their cell phone

JPMorgan is investing in technology in a big way — and it's paying off.

The CEO of the firm's corporate investment bank, Daniel Pinto, stressed the importance of technology in an annual letter to shareholders Tuesday.

Specifically, he noted, one client leveraged the firm's technological capabilities to make a $100 million trade — from a mobile phone.

"Our profitable Markets business, which generated an overall ROE of 17% last year, enables us to invest in innovation and the client experience," Pinto wrote.

"Eighty three percent of notional FX trading is now done electronically. We have seen a $100 million trade done on a mobile phone, and on peak days in 2016, $200 billion in FX was traded through our electronic channels, including our own J.P. Morgan Markets platform, which provides a range of services from research to pre- and post-trade reporting."

Pinto said the firm fundamentally believes clients should be able to choose how to trade with JPMorgan. He emphasized that it's the firm's strong technical capabilities that allow clients trade through turbulent times like Brexit and the US presidential election last year.

"The electronic evolution is advancing, and the investments we've made, and will continue to make, already are proving their merit to our clients," Pinto wrote.

RELATED: The world's top 10 companies, ranked by reputation

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The world's top 10 companies, ranked by reputation

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The world's top 10 companies, ranked by reputation

10. Adidas. RepTrack Points: 77.3

2016 proved to be a good year for the German sportswear company, which beat earnings expectations to report net income of more than $1 billion.

The year was the first in its 2020 strategic plan, which put in place by CEO Kasper Rorsted, who wants the company to boost ecommerce sales, increase efficiency, and focus on company culture.

5. Google. RepTrack points: 78.2.

Google's RepTrak score went up but it still dropped down from its third-place spot in the rankings in 2015.

2016 was the first full year since the launch of the new parent company Alphabet. It was also the year the tech company announced its new Pixel phone line and its voice-controlled speaker Home, which aims to bring artificial intelligence to the masses.

4. Canon. RepTrack points: 78.3.

The world's biggest maker of cameras and printers grew through acquisitions in 2016, such as its $6.5 billion purchase of Toshiba's medical division.

REUTERS/Thomas Peter/File Photo

3. The Walt Disney Company. RepTrak points: 79.2.

Disney slipped down a spot in the 2016 rankings but its reputation score grew by a full point.

2016 was the year the company started to see the fruits from the acquisition of the "Star Wars" franchise with "The Force Awakens" continuing its box office tear into January and the release of "Rogue One" in December, which went on to gross over $1 billion at the box office. The company recently revealed it had enough "Star Wars" films to run all the way into 2030.

2. Lego. RepTrak points: 79.5.

Lego was the biggest winner in the brand reputation rankings in 2016, rising up to second from its sixth spot the previous year.

While the toy company's competitors Hasbro and Mattel had mixed results, Lego has been on a great streak of performance. From 2010 to 2015 the company's revenues more than doubled and sales increased by 6% in 2016.